(19)

(11)

EP 3 850 702 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19791440.1 (22) Date of filing: 09.10.2019

(51) International Patent Classification (IPC):  H01Q 1/22(2006.01) H01Q 13/10(2006.01) H01Q 1/52(2006.01) H01Q 5/378(2015.01) H01Q 21/28(2006.01) (86) International application number: PCT/US2019/055281 (87) International publication number: WO 2020/086268 (30.04.2020 Gazette 2020/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.10.2018 US 201816172437 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, Washington 98052-6399 (US)	(72) Inventors: JAIN, Sidharath Redmond, Washington 98052-6399 (US) MORRIS, Toby James Redmond, Washington 98052-6399 (US) HARPER, Marc Redmond, Washington 98052-6399 (US) (74) Representative: Hanna Moore + Curley  Garryard House 25-26 Earlsfort Terrace Dublin 2, D02 PX51 Dublin 2, D02 PX51 (IE)